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Quantum optomechanics with photonic crystal cavities

Prof. Simon Gröblacher (Delft University of Technology)

Place: Sala de Reuniones 7
Time: 18.01.2016
Title: Quantum optomechanics with photonic crystal cavities

Mechanical oscillators coupled to light via the radiation pressure force have attracted a lot of attention over the past years for potentially allowing tests of quantum physics with massive objects and for their potential use in quantum information processing. Recently demonstrated quantum experiments include entanglement and squeezing of both the mechanical and the optical mode. So far these quantum experiments have almost exclusively operated in a regime where the light field oscillates at microwave frequencies. Here I would like to discuss a recent experiment where we demonstrate non-classical mechanical states by coupling a mechanical oscillator to single optical photons. These results are a promising route towards using mechanical systems as quantum memories, for quantum communication purposes and as light-matter quantum interfaces.